18213930

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:465

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 39846870

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 54, 63, 69, 70, 90, 105, 115, 126, 135, 138, 161, 189, 207, 210, 230, 270, 315, 322, 345, 378, 414, 419, 483, 621, 630, 690, 805, 838, 945, 966, 1035, 1242, 1257, 1449, 1610, 1890, 2070, 2095, 2415, 2514, 2898, 2933, 3105, 3771, 4190, 4347, 4830, 5866, 6210, 6285, 7245, 7542, 8694, 8799, 9637, 11313, 12570, 14490, 14665, 17598, 18855, 19274, 21735, 22626, 26397, 28911, 29330, 37710, 43470, 43995, 48185, 52794, 56565, 57822, 67459, 79191, 86733, 87990, 96370, 113130, 131985, 134918, 144555, 158382, 173466, 202377, 260199, 263970, 289110, 337295, 395955, 404754, 433665, 520398, 607131, 674590, 791910, 867330, 1011885, 1214262, 1300995, 1821393, 2023770, 2601990, 3035655, 3642786, 6071310, 9106965, 18213930]

約数ペア:

[(1, 18213930), (2, 9106965), (3, 6071310), (5, 3642786), (6, 3035655), (7, 2601990), (9, 2023770), (10, 1821393), (14, 1300995), (15, 1214262), (18, 1011885), (21, 867330), (23, 791910), (27, 674590), (30, 607131), (35, 520398), (42, 433665), (45, 404754), (46, 395955), (54, 337295), (63, 289110), (69, 263970), (70, 260199), (90, 202377), (105, 173466), (115, 158382), (126, 144555), (135, 134918), (138, 131985), (161, 113130), (189, 96370), (207, 87990), (210, 86733), (230, 79191), (270, 67459), (315, 57822), (322, 56565), (345, 52794), (378, 48185), (414, 43995), (419, 43470), (483, 37710), (621, 29330), (630, 28911), (690, 26397), (805, 22626), (838, 21735), (945, 19274), (966, 18855), (1035, 17598), (1242, 14665), (1257, 14490), (1449, 12570), (1610, 11313), (1890, 9637), (2070, 8799), (2095, 8694), (2415, 7542), (2514, 7245), (2898, 6285), (2933, 6210), (3105, 5866), (3771, 4830), (4190, 4347)]